Caterpillar

Thirty

Farm tractor · 1925–1938 · 40 hp

The Caterpillar Thirty is a farm tractor manufactured from 1925 to 1938. It features a 40 hp engine. The transmission is a gear type with 3 forward and 1 reverse.

Engine

Fuel Typegasoline
Cylinders4
Coolingliquid-cooled
Displacement461 ci (7.6 L)
Bore4.75 in (121 mm)
Stroke6.5 in (165 mm)
Power Drawbar30.88 hp (23 kW)
Power Belt36.37 hp (27.1 kW)
Air Cleaneroil bath
Fuel SystemZenith K5A carburetor
ManufacturerCaterpillar
Rated1,400 RPM

Transmission

Transmission Typegear
Gears3 forward and 1 reverse
Clutchdry disc
Available Options3-speed gear, 5-speed gear

Tires & Tracks

Track Width13 in (33 cm)

Fuel

Capacity37.5 gal (141.9 L)